Since 1956, AACE International has been the leading-edge professional society for cost estimators, cost engineers, schedulers, project managers, and project control engineers.

With more than 5,500 members worldwide, AACE International is the largest organization serving the entire spectrum of cost management professionals. AACE International is industry independent, and has members in 78 countries and 71 local sections. If you are not a member, read on to learn what AACE International can do for you. 

Local Section

The Rattlesnake Mountain Section (RMS) of The Association for the Advancement of Cost Engineering, AACE has been meeting in the Tri-City area since 1992. Our members represent the Department of Energy (DOE), Washington River Protection Solutions (WRPS), Bechtel National Inc (BNI), Pacific Northwest National Laboratories (PNNL), Fluor Hanford, Washington Closure, CH2M Hill and other firms at the DOE’s Hanford Site in addition to other commercial firms in the Tri-City Area representing Construction, Transportation, and Food Products.

Site Content

Read about upcoming Technical Meetings

Learn about AACE International Membership

  • Learn about Committees

Learn about Scholarships provided by AACE International

Go to the Events Calendar to see all upcoming events

Links and Files

Learn about Certifications provided by AACE International

Downloadable Section Files

Learn about this year's AACE International Annual Meeting


President Patti Jones



Vice-President Mike Bensussen



Secretary Chris Koerner

Treasurer Rob Chmura, CCC EVP



Webmaster W.Riker

Director Jim Ferry



Director James Horton



Director Steven Parent



Director Gregg Andrews



Mailing Address

 AACEi Rattlesnake Mountain Section P.O Box 1252 Richland, WA 99352-1252 

Contact Us

Drop us a line!

Better yet, see us in person!

Check out the calendar and come to the next Technical meeting.

AACEi Rattlesnake Mountain Section

Email: AACERSM@gmail.com